Retired Special Agent, JROTC instructor hikes 2,200-miles, raises $20k in charity
Senior Master Sgt. (Ret.) Greg Pfeiffer, a former OSI Special Agent who currently serves as a Junior Reserve Officers Training Corps instructor, raised $20,000 in charity while hiking the entire course of the Appalachian Trail in 2021. During his journey, Pfeiffer documented the hike through a video blog, and used the outlet to educate others on the lives of fallen OSI heroes.

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